April 5, 2014 —

The fastest way to mark all of UNREAD emails as READ email in GMAIL

  • First of all, search all UNREAD email in your gmail account by enter the “l:unread” or “l:^u“ in Search box like this:

gmailexample

  • Then click the down arrow in “select” button then choose “all” 

selectemail

  • The unread emails that you searched for should be selected now; however to avoid deleting every 20 emails (if you have huge number of unread email ). You should find a link “Select all conversation that match this search” 

selectallunread

  • The last step is clicking “More” button, then click “Mark as read”

markread

Hope this helps, enjoy!!!